STEUERZYLINDER FUER PNEUMATISCHE STEUERGERAETE MIT SIGNALKONTAKTEN
A pneumatic control device has a control cylinder with dovetailed guiding means with a guiding rail and a guiding groove for holding and guiding housings of reed-contacts or the like. The cross-sectional area of the substantially trapezoidal guiding rail of the contact housing has not the same shape...
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Zusammenfassung: | A pneumatic control device has a control cylinder with dovetailed guiding means with a guiding rail and a guiding groove for holding and guiding housings of reed-contacts or the like. The cross-sectional area of the substantially trapezoidal guiding rail of the contact housing has not the same shape as the trapezoidal cross-sectional area of the corresponding guiding groove of the control cylinder. Provided both elements (rail and groove) have substantially the same height or depth, the width of the guiding rail at the side adjacent to the contact housing is smaller than the gap width (121) of the guiding groove (12) at its open side. The total width of the guiding rail is unilaterally shortened to a size determined by a circle drawn around an edge at the narrow side of the guiding rail having a radius (133) that is at the maximum equal to the gap width (12) of the guiding groove (12). The spacing (134) between the other edge of the narrow side of the guiding rail (132) and the diametrically opposed outer edge (135) of the guiding rail (132) exceeds the gap width (121) of the guiding groove (12). |
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